Update project authors statements to Dartino

tests/service_tests/performance/performance_service_impl.dart

-// Copyright (c) 2015, the Fletch project authors. Please see the AUTHORS file
+// Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE.md file.
 
 import 'dart/performance_service.dart';
 
 class PerformanceServiceImpl implements PerformanceService {
   int echo(int n) => n;
 
   int countTreeNodes(TreeNode node) {
     int sum = 1;
@@ skipping 13 matching lines @@
   }
 }
 
 main() {
   var impl = new PerformanceServiceImpl();
   PerformanceService.initialize(impl);
   while (PerformanceService.hasNextEvent()) {
     PerformanceService.handleNextEvent();
   }
 }